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Jark Wu commented on FLINK-4070:
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The Table API does not support literals on left side of expressions like
{{+,_,*,/,%,>,<}} . Because there is already such method in Int class, scala
compiler would not search for implicit conversion.
Of course after adding a function {{toExpr}} to Expression, we can use
{{12.toExpr < 'f0}}. It is a solution, but not clean.
Any ideas? [~twalthr] [~fhueske]
> Support literals on left side of binary expressions
> ---------------------------------------------------
>
> Key: FLINK-4070
> URL: https://issues.apache.org/jira/browse/FLINK-4070
> Project: Flink
> Issue Type: Improvement
> Components: Table API
> Reporter: Timo Walther
> Assignee: Jark Wu
> Priority: Minor
>
> The Table API does not support binary expressions like {{12 < 'f0}} in Scala
> DSL where the left side is a literal. Maybe this can be solved by implicits
> or at least by a {{12.toExpr}} method.
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